@@ -27,7 +27,7 USE grlib.amba.ALL; | |||||
27 | USE grlib.stdlib.ALL; |
|
27 | USE grlib.stdlib.ALL; | |
28 | USE grlib.devices.ALL; |
|
28 | USE grlib.devices.ALL; | |
29 | USE GRLIB.DMA2AHB_Package.ALL; |
|
29 | USE GRLIB.DMA2AHB_Package.ALL; | |
30 | --USE GRLIB.DMA2AHB_TestPackage.ALL; |
|
30 | ||
31 | LIBRARY lpp; |
|
31 | LIBRARY lpp; | |
32 | USE lpp.lpp_amba.ALL; |
|
32 | USE lpp.lpp_amba.ALL; | |
33 | USE lpp.apb_devices_list.ALL; |
|
33 | USE lpp.apb_devices_list.ALL; |
@@ -28,7 +28,7 USE grlib.amba.ALL; | |||||
28 | USE grlib.stdlib.ALL; |
|
28 | USE grlib.stdlib.ALL; | |
29 | USE grlib.devices.ALL; |
|
29 | USE grlib.devices.ALL; | |
30 | USE GRLIB.DMA2AHB_Package.ALL; |
|
30 | USE GRLIB.DMA2AHB_Package.ALL; | |
31 | --USE GRLIB.DMA2AHB_TestPackage.ALL; |
|
31 | ||
32 | LIBRARY lpp; |
|
32 | LIBRARY lpp; | |
33 | USE lpp.lpp_amba.ALL; |
|
33 | USE lpp.lpp_amba.ALL; | |
34 | USE lpp.apb_devices_list.ALL; |
|
34 | USE lpp.apb_devices_list.ALL; | |
@@ -136,6 +136,8 ARCHITECTURE Behavioral OF lpp_dma IS | |||||
136 | SIGNAL fifo_ren_trash : STD_LOGIC; |
|
136 | SIGNAL fifo_ren_trash : STD_LOGIC; | |
137 | SIGNAL component_fifo_ren : STD_LOGIC; |
|
137 | SIGNAL component_fifo_ren : STD_LOGIC; | |
138 |
|
138 | |||
|
139 | SIGNAL debug_reg : STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
|
140 | ||||
139 | BEGIN |
|
141 | BEGIN | |
140 |
|
142 | |||
141 | ----------------------------------------------------------------------------- |
|
143 | ----------------------------------------------------------------------------- | |
@@ -149,7 +151,7 BEGIN | |||||
149 | deviceid => 0, |
|
151 | deviceid => 0, | |
150 | version => 0, |
|
152 | version => 0, | |
151 | syncrst => 1, |
|
153 | syncrst => 1, | |
152 | boundary => 0) |
|
154 | boundary => 1) -- set TO TEST | |
153 | PORT MAP ( |
|
155 | PORT MAP ( | |
154 | HCLK => HCLK, |
|
156 | HCLK => HCLK, | |
155 | HRESETn => HRESETn, |
|
157 | HRESETn => HRESETn, | |
@@ -158,6 +160,25 BEGIN | |||||
158 | AHBIn => AHB_Master_In, |
|
160 | AHBIn => AHB_Master_In, | |
159 | AHBOut => AHB_Master_Out); |
|
161 | AHBOut => AHB_Master_Out); | |
160 |
|
162 | |||
|
163 | ||||
|
164 | debug_info: PROCESS (HCLK, HRESETn) | |||
|
165 | BEGIN -- PROCESS debug_info | |||
|
166 | IF HRESETn = '0' THEN -- asynchronous reset (active low) | |||
|
167 | debug_reg <= (OTHERS => '0'); | |||
|
168 | ELSIF HCLK'event AND HCLK = '1' THEN -- rising clock edge | |||
|
169 | debug_reg(0) <= debug_reg(0) OR (DMAOut.Retry ); | |||
|
170 | debug_reg(1) <= debug_reg(1) OR (DMAOut.Grant AND DMAOut.Retry) ; | |||
|
171 | IF state = TRASH_FIFO THEN debug_reg(2) <= '1'; END IF; | |||
|
172 | debug_reg(3) <= debug_reg(3) OR (header_send_ko); | |||
|
173 | debug_reg(4) <= debug_reg(4) OR (header_send_ok); | |||
|
174 | debug_reg(5) <= debug_reg(5) OR (component_send_ko); | |||
|
175 | debug_reg(6) <= debug_reg(6) OR (component_send_ok); | |||
|
176 | ||||
|
177 | debug_reg(31 DOWNTO 7) <= (OTHERS => '1'); | |||
|
178 | END IF; | |||
|
179 | END PROCESS debug_info; | |||
|
180 | ||||
|
181 | ||||
161 |
|
|
182 | matrix_type <= header(1 DOWNTO 0); | |
162 | component_type <= header(5 DOWNTO 2); |
|
183 | component_type <= header(5 DOWNTO 2); | |
163 |
|
184 | |||
@@ -312,7 +333,6 BEGIN | |||||
312 | HRESETn => HRESETn, |
|
333 | HRESETn => HRESETn, | |
313 | DMAIn => component_dmai, |
|
334 | DMAIn => component_dmai, | |
314 | DMAOut => DMAOut, |
|
335 | DMAOut => DMAOut, | |
315 |
|
||||
316 | send => component_send, |
|
336 | send => component_send, | |
317 | address => address, |
|
337 | address => address, | |
318 | data => fifo_data, |
|
338 | data => fifo_data, | |
@@ -343,9 +363,11 BEGIN | |||||
343 | ready_matrix_f0_0 => ready_matrix_f0_0, |
|
363 | ready_matrix_f0_0 => ready_matrix_f0_0, | |
344 | ready_matrix_f0_1 => ready_matrix_f0_1, |
|
364 | ready_matrix_f0_1 => ready_matrix_f0_1, | |
345 | ready_matrix_f1 => ready_matrix_f1, |
|
365 | ready_matrix_f1 => ready_matrix_f1, | |
346 |
ready_matrix_f2 => ready_matrix_f2, |
|
366 | ready_matrix_f2 => ready_matrix_f2, | |
347 | error_anticipating_empty_fifo => error_anticipating_empty_fifo, |
|
367 | error_anticipating_empty_fifo => error_anticipating_empty_fifo, | |
348 | error_bad_component_error => error_bad_component_error, |
|
368 | error_bad_component_error => error_bad_component_error, | |
|
369 | -- | |||
|
370 | debug_reg => debug_reg, | |||
349 | -- OUT |
|
371 | -- OUT | |
350 | status_ready_matrix_f0_0 => status_ready_matrix_f0_0, |
|
372 | status_ready_matrix_f0_0 => status_ready_matrix_f0_0, | |
351 | status_ready_matrix_f0_1 => status_ready_matrix_f0_1, |
|
373 | status_ready_matrix_f0_1 => status_ready_matrix_f0_1, | |
@@ -360,7 +382,6 BEGIN | |||||
360 | addr_matrix_f1 => addr_matrix_f1, |
|
382 | addr_matrix_f1 => addr_matrix_f1, | |
361 | addr_matrix_f2 => addr_matrix_f2); |
|
383 | addr_matrix_f2 => addr_matrix_f2); | |
362 |
|
384 | |||
363 |
|
|
385 | ----------------------------------------------------------------------------- | |
364 |
|
386 | |||
365 | END Behavioral; |
|
387 | END Behavioral; | |
366 |
|
@@ -33,6 +33,7 USE lpp.apb_devices_list.ALL; | |||||
33 | USE lpp.lpp_memory.ALL; |
|
33 | USE lpp.lpp_memory.ALL; | |
34 | LIBRARY techmap; |
|
34 | LIBRARY techmap; | |
35 | USE techmap.gencomp.ALL; |
|
35 | USE techmap.gencomp.ALL; | |
|
36 | ||||
36 | ENTITY lpp_dma_apbreg IS |
|
37 | ENTITY lpp_dma_apbreg IS | |
37 | GENERIC ( |
|
38 | GENERIC ( | |
38 | pindex : INTEGER := 4; |
|
39 | pindex : INTEGER := 4; | |
@@ -55,6 +56,7 ENTITY lpp_dma_apbreg IS | |||||
55 | ready_matrix_f2 : IN STD_LOGIC; |
|
56 | ready_matrix_f2 : IN STD_LOGIC; | |
56 | error_anticipating_empty_fifo : IN STD_LOGIC; |
|
57 | error_anticipating_empty_fifo : IN STD_LOGIC; | |
57 | error_bad_component_error : IN STD_LOGIC; |
|
58 | error_bad_component_error : IN STD_LOGIC; | |
|
59 | debug_reg : IN STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
58 |
|
60 | |||
59 | -- OUT |
|
61 | -- OUT | |
60 | status_ready_matrix_f0_0 : OUT STD_LOGIC; |
|
62 | status_ready_matrix_f0_0 : OUT STD_LOGIC; | |
@@ -162,32 +164,35 BEGIN -- beh | |||||
162 | WHEN "000011" => prdata <= reg.addr_matrix_f0_1; |
|
164 | WHEN "000011" => prdata <= reg.addr_matrix_f0_1; | |
163 | WHEN "000100" => prdata <= reg.addr_matrix_f1; |
|
165 | WHEN "000100" => prdata <= reg.addr_matrix_f1; | |
164 | WHEN "000101" => prdata <= reg.addr_matrix_f2; |
|
166 | WHEN "000101" => prdata <= reg.addr_matrix_f2; | |
|
167 | WHEN "000110" => prdata <= debug_reg; | |||
165 | WHEN OTHERS => NULL; |
|
168 | WHEN OTHERS => NULL; | |
166 | END CASE; |
|
169 | END CASE; | |
167 | IF (apbi.pwrite AND apbi.penable) = '1' THEN |
|
170 | IF (apbi.pwrite AND apbi.penable) = '1' THEN | |
168 | -- APB DMA WRITE -- |
|
171 | -- APB DMA WRITE -- | |
169 | CASE paddr(7 DOWNTO 2) IS |
|
172 | CASE paddr(7 DOWNTO 2) IS | |
170 | WHEN "000000" => reg.config_active_interruption_onNewMatrix <= apbi.pwdata(0); |
|
173 | WHEN "000000" => reg.config_active_interruption_onNewMatrix <= apbi.pwdata(0); | |
171 |
reg.config_active_interruption_onError |
|
174 | reg.config_active_interruption_onError <= apbi.pwdata(1); | |
172 |
WHEN "000001" => reg.status_ready_matrix_f0_0 |
|
175 | WHEN "000001" => reg.status_ready_matrix_f0_0 <= apbi.pwdata(0); | |
173 |
reg.status_ready_matrix_f0_1 |
|
176 | reg.status_ready_matrix_f0_1 <= apbi.pwdata(1); | |
174 |
reg.status_ready_matrix_f1 |
|
177 | reg.status_ready_matrix_f1 <= apbi.pwdata(2); | |
175 |
reg.status_ready_matrix_f2 |
|
178 | reg.status_ready_matrix_f2 <= apbi.pwdata(3); | |
176 |
reg.status_error_anticipating_empty_fifo |
|
179 | reg.status_error_anticipating_empty_fifo <= apbi.pwdata(4); | |
177 |
reg.status_error_bad_component_error |
|
180 | reg.status_error_bad_component_error <= apbi.pwdata(5); | |
178 |
WHEN "000010" => reg.addr_matrix_f0_0 |
|
181 | WHEN "000010" => reg.addr_matrix_f0_0 <= apbi.pwdata; | |
179 |
WHEN "000011" => reg.addr_matrix_f0_1 |
|
182 | WHEN "000011" => reg.addr_matrix_f0_1 <= apbi.pwdata; | |
180 |
WHEN "000100" => reg.addr_matrix_f1 |
|
183 | WHEN "000100" => reg.addr_matrix_f1 <= apbi.pwdata; | |
181 |
WHEN "000101" => reg.addr_matrix_f2 |
|
184 | WHEN "000101" => reg.addr_matrix_f2 <= apbi.pwdata; | |
182 | WHEN OTHERS => NULL; |
|
185 | WHEN OTHERS => NULL; | |
183 | END CASE; |
|
186 | END CASE; | |
184 | END IF; |
|
187 | END IF; | |
185 | END IF; |
|
188 | END IF; | |
186 | END IF; |
|
189 | END IF; | |
187 | END PROCESS lpp_dma_apbreg; |
|
190 | END PROCESS lpp_dma_apbreg; | |
|
191 | ||||
188 | apbo.pirq <= (OTHERS => '0'); |
|
192 | apbo.pirq <= (OTHERS => '0'); | |
189 | apbo.pindex <= pindex; |
|
193 | apbo.pindex <= pindex; | |
190 | apbo.pconfig <= pconfig; |
|
194 | apbo.pconfig <= pconfig; | |
191 | apbo.prdata <= prdata; |
|
195 | apbo.prdata <= prdata; | |
192 |
|
196 | |||
|
197 | ||||
193 | END beh; |
|
198 | END beh; |
@@ -103,6 +103,7 PACKAGE lpp_dma_pkg IS | |||||
103 | ready_matrix_f2 : IN STD_LOGIC; |
|
103 | ready_matrix_f2 : IN STD_LOGIC; | |
104 | error_anticipating_empty_fifo : IN STD_LOGIC; |
|
104 | error_anticipating_empty_fifo : IN STD_LOGIC; | |
105 | error_bad_component_error : IN STD_LOGIC; |
|
105 | error_bad_component_error : IN STD_LOGIC; | |
|
106 | debug_reg : IN STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
106 |
|
107 | |||
107 | -- OUT |
|
108 | -- OUT | |
108 | status_ready_matrix_f0_0 : OUT STD_LOGIC; |
|
109 | status_ready_matrix_f0_0 : OUT STD_LOGIC; |
@@ -1,3 +1,25 | |||||
|
1 | ------------------------------------------------------------------------------ | |||
|
2 | -- This file is a part of the LPP VHDL IP LIBRARY | |||
|
3 | -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | |||
|
4 | -- | |||
|
5 | -- This program is free software; you can redistribute it and/or modify | |||
|
6 | -- it under the terms of the GNU General Public License as published by | |||
|
7 | -- the Free Software Foundation; either version 3 of the License, or | |||
|
8 | -- (at your option) any later version. | |||
|
9 | -- | |||
|
10 | -- This program is distributed in the hope that it will be useful, | |||
|
11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
|
12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
|
13 | -- GNU General Public License for more details. | |||
|
14 | -- | |||
|
15 | -- You should have received a copy of the GNU General Public License | |||
|
16 | -- along with this program; if not, write to the Free Software | |||
|
17 | -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |||
|
18 | ------------------------------------------------------------------------------- | |||
|
19 | -- Author : Jean-christophe Pellion | |||
|
20 | -- Mail : jean-christophe.pellion@lpp.polytechnique.fr | |||
|
21 | -- jean-christophe.pellion@easii-ic.com | |||
|
22 | ---------------------------------------------------------------------------- | |||
1 |
|
23 | |||
2 | LIBRARY ieee; |
|
24 | LIBRARY ieee; | |
3 | USE ieee.std_logic_1164.ALL; |
|
25 | USE ieee.std_logic_1164.ALL; | |
@@ -28,7 +50,7 ENTITY lpp_dma_send_16word IS | |||||
28 | send : IN STD_LOGIC; |
|
50 | send : IN STD_LOGIC; | |
29 | address : IN STD_LOGIC_VECTOR(31 DOWNTO 0); |
|
51 | address : IN STD_LOGIC_VECTOR(31 DOWNTO 0); | |
30 | data : IN STD_LOGIC_VECTOR(31 DOWNTO 0); |
|
52 | data : IN STD_LOGIC_VECTOR(31 DOWNTO 0); | |
31 |
ren : OUT |
|
53 | ren : OUT STD_LOGIC; | |
32 | -- |
|
54 | -- | |
33 | send_ok : OUT STD_LOGIC; |
|
55 | send_ok : OUT STD_LOGIC; | |
34 | send_ko : OUT STD_LOGIC |
|
56 | send_ko : OUT STD_LOGIC | |
@@ -37,124 +59,113 END lpp_dma_send_16word; | |||||
37 |
|
59 | |||
38 | ARCHITECTURE beh OF lpp_dma_send_16word IS |
|
60 | ARCHITECTURE beh OF lpp_dma_send_16word IS | |
39 |
|
61 | |||
40 | TYPE state_fsm_send_16word IS (IDLE, REQUEST_BUS, SEND_DATA, ERROR0, ERROR1,WAIT_LAST_READY); |
|
62 | TYPE state_fsm_send_16word IS (IDLE, REQUEST_BUS, SEND_DATA, ERROR0, ERROR1, WAIT_LAST_READY); | |
41 | SIGNAL state : state_fsm_send_16word; |
|
63 | SIGNAL state : state_fsm_send_16word; | |
42 |
|
64 | |||
43 | SIGNAL data_counter : INTEGER; |
|
65 | SIGNAL data_counter : INTEGER; | |
44 | SIGNAL grant_counter : INTEGER; |
|
66 | SIGNAL grant_counter : INTEGER; | |
45 |
|
67 | |||
46 | BEGIN -- beh |
|
68 | BEGIN -- beh | |
47 |
|
69 | |||
48 |
DMAIn.Beat |
|
70 | DMAIn.Beat <= HINCR16; | |
49 |
DMAIn.Size |
|
71 | DMAIn.Size <= HSIZE32; | |
50 |
|
72 | |||
51 | PROCESS (HCLK, HRESETn) |
|
73 | PROCESS (HCLK, HRESETn) | |
52 | BEGIN -- PROCESS |
|
74 | BEGIN -- PROCESS | |
53 |
IF HRESETn = '0' THEN |
|
75 | IF HRESETn = '0' THEN -- asynchronous reset (active low) | |
54 |
state |
|
76 | state <= IDLE; | |
55 |
send_ok |
|
77 | send_ok <= '0'; | |
56 |
send_ko |
|
78 | send_ko <= '0'; | |
57 |
|
79 | |||
58 |
DMAIn.Reset |
|
80 | DMAIn.Reset <= '0'; | |
59 |
DMAIn.Address |
|
81 | DMAIn.Address <= (OTHERS => '0'); | |
60 |
|
|
82 | DMAIn.Request <= '0'; | |
61 |
DMAIn. |
|
83 | DMAIn.Store <= '0'; | |
62 |
DMAIn. |
|
84 | DMAIn.Burst <= '1'; | |
63 |
DMAIn. |
|
85 | DMAIn.Lock <= '0'; | |
64 | DMAIn.Lock <= '0'; |
|
86 | data_counter <= 0; | |
65 | data_counter <= 0; |
|
|||
66 | ELSIF HCLK'EVENT AND HCLK = '1' THEN -- rising clock edge |
|
87 | ELSIF HCLK'EVENT AND HCLK = '1' THEN -- rising clock edge | |
67 |
|
88 | |||
68 | CASE state IS |
|
89 | CASE state IS | |
69 | WHEN IDLE => |
|
90 | WHEN IDLE => | |
70 | -- ren <= '1'; |
|
|||
71 | DMAIn.Store <= '1'; |
|
91 | DMAIn.Store <= '1'; | |
72 | DMAIn.Request <= '0'; |
|
92 | DMAIn.Request <= '0'; | |
73 | send_ok <= '0'; |
|
93 | send_ok <= '0'; | |
74 | send_ko <= '0'; |
|
94 | send_ko <= '0'; | |
75 |
DMAIn.Address |
|
95 | DMAIn.Address <= address; | |
76 |
data_counter |
|
96 | data_counter <= 0; | |
77 |
DMAIn.Lock |
|
97 | DMAIn.Lock <= '0'; -- FIX test | |
78 | IF send = '1' THEN |
|
98 | IF send = '1' THEN | |
79 | state <= REQUEST_BUS; |
|
99 | state <= REQUEST_BUS; | |
80 |
DMAIn.Request |
|
100 | DMAIn.Request <= '1'; | |
81 |
DMAIn.Lock |
|
101 | DMAIn.Lock <= '1'; -- FIX test | |
82 |
DMAIn.Store |
|
102 | DMAIn.Store <= '1'; | |
83 | END IF; |
|
103 | END IF; | |
84 | WHEN REQUEST_BUS => |
|
104 | WHEN REQUEST_BUS => | |
85 | -- ren <= '1'; |
|
105 | IF DMAOut.Grant = '1' THEN | |
86 | IF DMAOut.Grant='1' THEN |
|
106 | data_counter <= 1; | |
87 |
|
|
107 | grant_counter <= 1; | |
88 |
|
|
108 | state <= SEND_DATA; | |
89 | -- ren <= '0'; |
|
|||
90 | state <= SEND_DATA; |
|
|||
91 | END IF; |
|
109 | END IF; | |
92 | WHEN SEND_DATA => |
|
110 | WHEN SEND_DATA => | |
93 | -- ren <= '1'; |
|
|||
94 |
|
111 | |||
95 | IF DMAOut.Fault = '1' THEN |
|
112 | IF DMAOut.Fault = '1' THEN | |
96 |
DMAIn.Reset |
|
113 | DMAIn.Reset <= '0'; | |
97 |
DMAIn.Address |
|
114 | DMAIn.Address <= (OTHERS => '0'); | |
98 |
|
|
115 | DMAIn.Request <= '0'; | |
99 |
DMAIn. |
|
116 | DMAIn.Store <= '0'; | |
100 |
DMAIn. |
|
117 | DMAIn.Burst <= '0'; | |
101 |
|
|
118 | state <= ERROR0; | |
102 | state <= ERROR0; |
|
|||
103 | ELSE |
|
119 | ELSE | |
104 |
|
120 | |||
105 | IF DMAOut.Grant = '1' THEN |
|
121 | IF DMAOut.Grant = '1' THEN | |
106 |
|
|
122 | IF grant_counter = 15 THEN | |
107 |
DMAIn.Reset |
|
123 | DMAIn.Reset <= '0'; | |
108 |
DMAIn.Request |
|
124 | DMAIn.Request <= '0'; | |
109 |
DMAIn.Store |
|
125 | DMAIn.Store <= '0'; | |
110 |
DMAIn.Burst |
|
126 | DMAIn.Burst <= '0'; | |
111 |
|
|
127 | ELSE | |
112 |
grant_counter |
|
128 | grant_counter <= grant_counter+1; | |
113 |
|
|
129 | END IF; | |
114 | END IF; |
|
130 | END IF; | |
115 |
|
131 | |||
116 | IF DMAOut.OKAY = '1' THEN |
|
132 | IF DMAOut.OKAY = '1' THEN | |
117 | IF data_counter = 15 THEN |
|
133 | IF data_counter = 15 THEN | |
118 |
DMAIn.Address |
|
134 | DMAIn.Address <= (OTHERS => '0'); | |
119 |
state |
|
135 | state <= WAIT_LAST_READY; | |
120 | ELSE |
|
136 | ELSE | |
121 |
|
|
137 | data_counter <= data_counter + 1; | |
122 | data_counter <= data_counter + 1; |
|
|||
123 | -- ren <= '0'; |
|
|||
124 | END IF; |
|
138 | END IF; | |
125 | END IF; |
|
139 | END IF; | |
126 | END IF; |
|
140 | END IF; | |
127 |
|
|
141 | ||
128 |
|
|
142 | ||
129 | WHEN WAIT_LAST_READY => |
|
143 | WHEN WAIT_LAST_READY => | |
130 | -- ren <= '1'; |
|
|||
131 | IF DMAOut.Ready = '1' THEN |
|
144 | IF DMAOut.Ready = '1' THEN | |
132 | IF grant_counter = 15 THEN |
|
145 | IF grant_counter = 15 THEN | |
133 | state <= IDLE; |
|
146 | state <= IDLE; | |
134 | send_ok <= '1'; |
|
147 | send_ok <= '1'; | |
135 | send_ko <= '0'; |
|
148 | send_ko <= '0'; | |
136 | ELSE |
|
149 | ELSE | |
137 |
state <= ERROR0; |
|
150 | state <= ERROR0; | |
138 | END IF; |
|
151 | END IF; | |
139 | END IF; |
|
152 | END IF; | |
140 |
|
153 | |||
141 | WHEN ERROR0 => |
|
154 | WHEN ERROR0 => | |
142 | -- ren <= '1'; |
|
|||
143 | state <= ERROR1; |
|
155 | state <= ERROR1; | |
144 | WHEN ERROR1 => |
|
156 | WHEN ERROR1 => | |
145 | send_ok <= '0'; |
|
157 | send_ok <= '0'; | |
146 | send_ko <= '1'; |
|
158 | send_ko <= '1'; | |
147 |
|
|
159 | state <= IDLE; | |
148 | state <= IDLE; |
|
|||
149 | WHEN OTHERS => NULL; |
|
160 | WHEN OTHERS => NULL; | |
150 | END CASE; |
|
161 | END CASE; | |
151 | END IF; |
|
162 | END IF; | |
152 | END PROCESS; |
|
163 | END PROCESS; | |
153 |
|
164 | |||
154 |
DMAIn.Data |
|
165 | DMAIn.Data <= data; | |
155 |
|
166 | |||
156 |
ren <= '0' WHEN DMAOut.OKAY = '1' |
|
167 | ren <= '0' WHEN DMAOut.OKAY = '1' AND state = SEND_DATA ELSE | |
157 |
'0' WHEN state = REQUEST_BUS |
|
168 | '0' WHEN state = REQUEST_BUS AND DMAOut.Grant = '1' ELSE | |
158 | '1'; |
|
169 | '1'; | |
159 |
|
170 | |||
160 | END beh; |
|
171 | END beh; |
@@ -1,3 +1,25 | |||||
|
1 | ------------------------------------------------------------------------------ | |||
|
2 | -- This file is a part of the LPP VHDL IP LIBRARY | |||
|
3 | -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | |||
|
4 | -- | |||
|
5 | -- This program is free software; you can redistribute it and/or modify | |||
|
6 | -- it under the terms of the GNU General Public License as published by | |||
|
7 | -- the Free Software Foundation; either version 3 of the License, or | |||
|
8 | -- (at your option) any later version. | |||
|
9 | -- | |||
|
10 | -- This program is distributed in the hope that it will be useful, | |||
|
11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
|
12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
|
13 | -- GNU General Public License for more details. | |||
|
14 | -- | |||
|
15 | -- You should have received a copy of the GNU General Public License | |||
|
16 | -- along with this program; if not, write to the Free Software | |||
|
17 | -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |||
|
18 | ------------------------------------------------------------------------------- | |||
|
19 | -- Author : Jean-christophe Pellion | |||
|
20 | -- Mail : jean-christophe.pellion@lpp.polytechnique.fr | |||
|
21 | -- jean-christophe.pellion@easii-ic.com | |||
|
22 | ---------------------------------------------------------------------------- | |||
1 |
|
23 | |||
2 | LIBRARY ieee; |
|
24 | LIBRARY ieee; | |
3 | USE ieee.std_logic_1164.ALL; |
|
25 | USE ieee.std_logic_1164.ALL; |
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